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10 cards from this deck
French naturalist who proposed species change over time
Species not fixed but could change over time through evolution
Used structures become larger/stronger, unused become smaller
Structure becomes larger and stronger in next generation
Structure becomes smaller, might eventually disappear
Traits developed in lifetime can be passed to offspring
Giraffes stretched necks, became longer, passed to offspring
Acquired characteristics cannot be inherited
Physical changes don't alter genetic code
Challenged belief species fixed, introduced evolution concept
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